*{
    margin: 0;
    padding: 0;
}
html,body{
    width: 100%;
    height: 100%;
}
li {
    list-style: none;
}
a{
    text-decoration: none;
    color: #333;
}
.heart{
    width: 1200px;
    margin: 0 auto;
}
.clearfix::after{
    content: "";
    clear: both;
}
i{
    font-style: normal;
}
input,button{
    border: none;
    outline-style: none;
}

/* 头部公共样式 */
/* 头部样式 */
header{
    width: 100%;
    position: absolute;
    box-sizing: border-box;
    height: 80px;
    /* 开启弹性布局 */
    display: flex;
    /* 让子盒子均匀分布 */
    justify-content: space-between;
    /* 让子盒子在交叉抽上居中 */
    align-items: center;
    padding: 0 20px;
    z-index: 11;
    /* border-bottom: 1px solid #fff; */
}
.register{
    display: flex;

}
nav{
    display: flex;
}
nav a{
    margin: 0 10px;
    color: #fff;
    line-height: 80px;
}
/* 导航栏激活 */
.active{
    border-bottom: 2px solid #fff;
}
/* 登录按钮激活 */
.loginActive{
    background-color: #ed4d04;
}
.register a{
    /* display: inline-block; */
    margin-left: 10px;
    width: 80px;
    text-align: center;
    line-height: 30px;
    border-radius: 10px;
    color: #fff;
    cursor: pointer;
    border: 1px solid #fff;
}
/* 主体部分 */
main{
    width: 100%;
 
    position: absolute;
}
/* 页脚 */
/* 联系我们 */
.callus .heart{
    margin-top: 50px;
    display: flex;
    font-size: 12px;
    justify-content: space-between;
    position: relative;
    height: 250px;
}
.callus-list{
    display: flex;
    width: 800px;
    justify-content: space-between;

}
.callus-list a{
    display: block;
    color: #aaa;
    line-height: 25px;
}
.callus-list a:hover{
    color: red;
}
.callus-list div a:first-child{
    color: #333;
    padding-bottom: 30px;
    font-size: 16px;
}
.er{
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    align-items: flex-end;
    color: #aaa;
}
.er h6{
    font-size: 16px;
    color: #333;
    font-weight: normal;
}
.copyright{
    position: absolute;
    bottom: 0;
    left: 0;
    color: #aaa;
}
.copyright img{
    vertical-align: middle;
    margin-right: 10px;
}
